Compilare: main.cpp: In function 'int main()': main.cpp:23:40: warning: format '%i' expects argument of type 'int*', but argument 3 has type 'short int*' [-Wformat=] fscanf(in,"%i %i %i",&cod,&x,&y); ^ main.cpp:13:29: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(in,"%i %i",&N,&M); ^ main.cpp:23:41: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(in,"%i %i %i",&cod,&x,&y); ^